Home / 52,380.90-72,285.17-28,507.52

Finding the Fourth Proportional to 52,380.90, 72,285.17 and 28,507.52

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Solution

The fourth proportional to 52,380.90, 72,285.17 and 28,507.52 is: 39,340.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,380.90 : 72,285.17 = 28,507.52 : x
  2. Step 2: Convert to fraction form
    52,380.90/72,285.17 = 28,507.52/x
  3. Step 3: Cross multiply
    52,380.90x = 72,285.17 × 28,507.52
  4. Step 4: Simplify right side
    52,380.90x = 2,060,670,967.65
  5. Step 5: Solve for x
    x = 2,060,670,967.65/52,380.90
  6. Step 6: Final answer
    x = 39,340.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.